Home / 12,175.82-18,265.44-4,776.26

Finding the Fourth Proportional to 12,175.82, 18,265.44 and 4,776.26

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Solution

The fourth proportional to 12,175.82, 18,265.44 and 4,776.26 is: 7,165.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,175.82 : 18,265.44 = 4,776.26 : x
  2. Step 2: Convert to fraction form
    12,175.82/18,265.44 = 4,776.26/x
  3. Step 3: Cross multiply
    12,175.82x = 18,265.44 × 4,776.26
  4. Step 4: Simplify right side
    12,175.82x = 87,240,490.45
  5. Step 5: Solve for x
    x = 87,240,490.45/12,175.82
  6. Step 6: Final answer
    x = 7,165.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.